ubuntu-cve-2026-43002
Vulnerability from osv_ubuntu
Published
2026-05-05 17:17
Modified
2026-05-20 15:27
Summary
Details

An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "2:9.1.2-0ubuntu5.2"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "2:9.1.2-0ubuntu5.2"
          },
          {
            "binary_name": "python-django-horizon",
            "binary_version": "2:9.1.2-0ubuntu5.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@2:9.1.2-0ubuntu5.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.0.0-0ubuntu2",
        "2:9.0.0~b1-0ubuntu1",
        "2:9.0.0~b1-0ubuntu2",
        "2:9.0.0~b2-0ubuntu1",
        "2:9.0.0~b3-0ubuntu1",
        "2:9.0.0~rc1-0ubuntu1",
        "2:9.0.0-0ubuntu1",
        "2:9.0.0-0ubuntu2",
        "2:9.0.0-0ubuntu2.16.04.1",
        "2:9.0.1-0ubuntu2",
        "2:9.1.0-0ubuntu1",
        "2:9.1.1-0ubuntu1",
        "2:9.1.2-0ubuntu1",
        "2:9.1.2-0ubuntu2",
        "2:9.1.2-0ubuntu3",
        "2:9.1.2-0ubuntu5",
        "2:9.1.2-0ubuntu5.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "3:13.0.3-0ubuntu2"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "3:13.0.3-0ubuntu2"
          },
          {
            "binary_name": "python-django-horizon",
            "binary_version": "3:13.0.3-0ubuntu2"
          },
          {
            "binary_name": "python-django-openstack-auth",
            "binary_version": "3:13.0.3-0ubuntu2"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "3:13.0.3-0ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@3:13.0.3-0ubuntu2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3:12.0.0-0ubuntu2.1",
        "3:12.0.0-0ubuntu3",
        "3:13.0.0~b1-0ubuntu1",
        "3:13.0.0~b1-0ubuntu2",
        "3:13.0.0-0ubuntu1",
        "3:13.0.0-0ubuntu1.1",
        "3:13.0.1-0ubuntu1",
        "3:13.0.1-0ubuntu2",
        "3:13.0.1-0ubuntu3",
        "3:13.0.1-0ubuntu4",
        "3:13.0.1-0ubuntu5",
        "3:13.0.1-0ubuntu6",
        "3:13.0.2-0ubuntu1",
        "3:13.0.2-0ubuntu2",
        "3:13.0.2-0ubuntu3",
        "3:13.0.3-0ubuntu1",
        "3:13.0.3-0ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "3:18.3.5-0ubuntu2.3+esm1"
          },
          {
            "binary_name": "openstack-dashboard-common",
            "binary_version": "3:18.3.5-0ubuntu2.3+esm1"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "3:18.3.5-0ubuntu2.3+esm1"
          },
          {
            "binary_name": "python3-django-horizon",
            "binary_version": "3:18.3.5-0ubuntu2.3+esm1"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "3:18.3.5-0ubuntu2.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@3:18.3.5-0ubuntu2.3+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3:16.0.0-0ubuntu1",
        "3:17.0.0~b1~git2019121712.f7313b74c-0ubuntu1",
        "3:18.0.1~git2020021409.bb959361b-0ubuntu2",
        "3:18.0.1~git2020021409.bb959361b-0ubuntu3",
        "3:18.2.1~git2020032709.2c4470272-0ubuntu1",
        "3:18.2.1~git2020041013.754804667-0ubuntu1",
        "3:18.2.1~git2020041013.754804667-0ubuntu2",
        "3:18.2.1~git2020041013.754804667-0ubuntu3",
        "3:18.3.2-0ubuntu0.20.04.1",
        "3:18.3.2-0ubuntu0.20.04.2",
        "3:18.3.2-0ubuntu0.20.04.4",
        "3:18.3.3-0ubuntu1",
        "3:18.3.4-0ubuntu1",
        "3:18.3.5-0ubuntu1",
        "3:18.3.5-0ubuntu2",
        "3:18.3.5-0ubuntu2.1",
        "3:18.3.5-0ubuntu2.2",
        "3:18.3.5-0ubuntu2.3",
        "3:18.3.5-0ubuntu2.3+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "4:22.1.1-0ubuntu1.1"
          },
          {
            "binary_name": "openstack-dashboard-common",
            "binary_version": "4:22.1.1-0ubuntu1.1"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "4:22.1.1-0ubuntu1.1"
          },
          {
            "binary_name": "python3-django-horizon",
            "binary_version": "4:22.1.1-0ubuntu1.1"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "4:22.1.1-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@4:22.1.1-0ubuntu1.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4:20.1.0-0ubuntu1",
        "4:20.2.0+git2021120911.fc1012628-0ubuntu1",
        "4:20.2.0+git2022011216.8fe5bbc8d-0ubuntu1",
        "4:21.0.0+git2022030313.dd9e4c82b-0ubuntu2",
        "4:22.1.0-0ubuntu1",
        "4:22.1.0-0ubuntu2",
        "4:22.1.0-0ubuntu2.1",
        "4:22.1.1-0ubuntu1",
        "4:22.1.1-0ubuntu1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "4:24.0.1-0ubuntu0.24.04.2"
          },
          {
            "binary_name": "openstack-dashboard-common",
            "binary_version": "4:24.0.1-0ubuntu0.24.04.2"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "4:24.0.1-0ubuntu0.24.04.2"
          },
          {
            "binary_name": "python3-django-horizon",
            "binary_version": "4:24.0.1-0ubuntu0.24.04.2"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "4:24.0.1-0ubuntu0.24.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@4:24.0.1-0ubuntu0.24.04.2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4:23.3.0-0ubuntu1",
        "4:23.3.0-0ubuntu2",
        "4:23.4.0+git2024011916.a77818d7-0ubuntu1",
        "4:24.0.0-0ubuntu1",
        "4:24.0.0-0ubuntu1.1",
        "4:24.0.0-0ubuntu1.2",
        "4:24.0.0-0ubuntu1.3",
        "4:24.0.1-0ubuntu0.24.04.1",
        "4:24.0.1-0ubuntu0.24.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "4:25.5.1-0ubuntu1.1"
          },
          {
            "binary_name": "openstack-dashboard-common",
            "binary_version": "4:25.5.1-0ubuntu1.1"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "4:25.5.1-0ubuntu1.1"
          },
          {
            "binary_name": "python3-django-horizon",
            "binary_version": "4:25.5.1-0ubuntu1.1"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "4:25.5.1-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@4:25.5.1-0ubuntu1.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4:25.3.0-0ubuntu1",
        "4:25.4.0+git2025070714.33cbc0c53-0ubuntu2",
        "4:25.5.1-0ubuntu1",
        "4:25.5.1-0ubuntu1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "openstack-dashboard",
            "binary_version": "4:25.7.1-0ubuntu1"
          },
          {
            "binary_name": "openstack-dashboard-common",
            "binary_version": "4:25.7.1-0ubuntu1"
          },
          {
            "binary_name": "openstack-dashboard-ubuntu-theme",
            "binary_version": "4:25.7.1-0ubuntu1"
          },
          {
            "binary_name": "python3-django-horizon",
            "binary_version": "4:25.7.1-0ubuntu1"
          },
          {
            "binary_name": "python3-django-openstack-auth",
            "binary_version": "4:25.7.1-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "horizon",
        "purl": "pkg:deb/ubuntu/horizon@4:25.7.1-0ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4:25.5.1-0ubuntu1",
        "4:25.5.1-0ubuntu2",
        "4:25.5.1+git2026012819.479212220-0ubuntu1",
        "4:25.7.1-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.",
  "id": "UBUNTU-CVE-2026-43002",
  "modified": "2026-05-20T15:27:27Z",
  "published": "2026-05-05T17:17:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-43002"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-43002"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2026/05/05/7"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.launchpad.net/horizon/+bug/2150331"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-43002"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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